We just had a great weekend of northern lights. All of the pictures and videos show different looks in the northern lights. Why? We saw pictures and videos of red, green, blue and purple northern ...

Have you ever wondered why chicken eggs can be different colors? While most eggs are white or brown, they also come in colors like cream, pink, blue and green. In addition — and this is no “yolk” — ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. These levitating spheres may appear red, purple or green at first glance, but in actuality, all ...